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Rapid recurrence of stage IIB non-gestational ovarian choriocarcinoma with minor yolk sac tumor: A rare case report and literature review.

ABSTRACT: Non-gestational ovarian choriocarcinoma (NGOC) is a rare phenomenon seldom reported in the literature. Patients often present with abdominopelvic pain, and sometimes a palpable adnexal mass. Surgical excision is paramount in treating this malignancy; however, fertility-preserving care is a debated topic among gynecologic oncologists. Most patients reported in the literature are nulliparous women of child-bearing age. It is important to consider fertility preservation whilst balancing oncologic outcomes. We present a case of an 18-year-old nulliparous female with stage IIB NGOC that had disease progression in the lungs and pelvis shortly after undergoing fertility-preserving surgery. She required emergent completion surgery and received etoposide (E), methotrexate (M), actinomycin-D (A), cyclophosphamide (C) and vincristine (O) (EMA-CO) with complete response. She remains disease-free after 21-months.

SUBMITTER: Maybury EK

PROVIDER: S-EPMC10703604 | biostudies-literature | 2023 Dec

REPOSITORIES: biostudies-literature

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Rapid recurrence of stage IIB non-gestational ovarian choriocarcinoma with minor yolk sac tumor: A rare case report and literature review.

Maybury Edward K EK Gwacham Nnamdi I NI Singh Charanjeet C Mondo Susan S Ahmad Sarfraz S McKenzie Nathalie D ND

Gynecologic oncology reports 20231130

Non-gestational ovarian choriocarcinoma (NGOC) is a rare phenomenon seldom reported in the literature. Patients often present with abdominopelvic pain, and sometimes a palpable adnexal mass. Surgical excision is paramount in treating this malignancy; however, fertility-preserving care is a debated topic among gynecologic oncologists. Most patients reported in the literature are nulliparous women of child-bearing age. It is important to consider fertility preservation whilst balancing oncologic o ...[more]

PMID: 38075548

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Project description:BackgroundYolk sac tumor is the most common malignant nonseminomatous germ-cell tumor in children characterized by elevated level of α-fetoprotein (AFP), accounting for 70%-80% of all cases. However, giant yolk sac tumors that involve the entire testicle may be misdiagnosed by color Doppler ultrasonography as orchitis. Therefore, we described a case of a 2-year-old pediatric patient with a giant testicular yolk sac tumor that was misdiagnosed by ultrasonography as orchitis, in order to evaluate the role of measuring AFP levels in the initial diagnosis to aid in the accuracy of the definitive diagnosis of testicular yolk sac tumor.Case presentationA 2-year-old boy received outpatient visits for unintentional swelling of the right scrotum for 7 days. Physical examination showed a rubbery swelling of the right scrotum with rejective touch. Then, the patient underwent perineal color Doppler ultrasonography in outpatient visits. The result showed a right testicle size of 29 mm × 22 mm × 20 mm with heterogeneous echogenicity and abundant blood ﬂow, supporting the initial diagnosis of orchitis. However, the initial surgeon was skeptical of the ultrasonography diagnosis. Thus, the patient was admitted to the Department of Andrology on day 2 for further serological and imaging examination. The serum AFP level on day 3 was 323.77 ng/ml. The results of CT and MRI showed a giant tumor of the right testis (26 mm × 21 mm × 29.6 mm) with multiple lymphoid hyperplasia in the inguinal region bilaterally. The patient received radical orchidectomy without lymph node dissection on day 9. The results of postoperative pathological examination confirmed giant testicular yolk sac tumor (T1N0M0S1, Stage Is) and was positive for AFP and SALL4 in immunohistochemistry staining. The patient received three courses of bleomycin-etoposide-cisplatin chemotherapy in the Department of Pediatrics after multidisciplinary team meeting on postoperative days 14, 37, and 58, respectively. During chemotherapy and follow-up, the patient's AFP and lactate dehydrogenase levels continued to decline, and eventually remained within normal range on postoperative day 84.ConclusionMeasuring the AFP level was necessary for initial diagnosis and follow-up in pediatric cases of testicular enlargement. Radical orchidectomy combined with postoperative bleomycin-etoposide-cisplatin adjuvant chemotherapy was an effective treatment strategy for pediatric giant testicular yolk sac tumors.

Project description:OBJECTIVE:To develop a quantitative method for characterizing gestational sac shape. METHODS:Twenty first-trimester gestational sacs in normal pregnancies were studied with three-dimensional (3D) ultrasonography. The 3D coordinates of surface-point sets were obtained for each sac using 30-, 15- and six-slice sampling. Cubic spline interpolation was used with the 15- and six-slice surface-point samples to generate coordinates for those 30-slice surface points not measured. Interpolated and measured values, the latter from the 30-slice sample, were compared and the percent error calculated. Cubic spline interpolation was used to determine the coordinates of a standard surface-point sample (3660) for each sac in each slice sample. These coordinate data were used to give each sac a standard configuration by moving its center of gravity to the origin, aligning its inertial axes along the coordinate axes and converting its volume to 1.0 mL. In this form, a volume shape descriptor could be generated for each sac that was then transformed into a vector containing only shape information. The 20 shape vectors of each slice sample were subjected to principal components analysis, and principal component scores (PCSs) calculated. The first four PCSs were used to define a gestational sac shape score (GSSS-30, GSSS-15 or GSSS-6) for each sac in a given slice sample. The characteristics of each set of GSSSs were determined and those for the GSSS-15 and GSSS-6 were compared with the GSSS-30 characteristics. RESULTS:Cubic spline interpolations were very accurate in most cases, with means close to 0%, and approximately 95% of the errors being less than 10%. GSSS-30 accounted for 67.6% of the shape variance, had a mean of zero and an SD of 1.1, was normally distributed and was not related to menstrual age (R=-0.16, P=0.51). GSSS-15 and GSSS-6 had essentially the same characteristics. No significant differences between individual GSSS-30 values and those for GSSS-15 or GSSS-6 were found, indicating the absence of a slice sample effect. CONCLUSION:Using sophisticated mathematical methods, the gestational sac shape, initially represented by the 3D coordinates of 3660 surface points, was converted to a single number, the GSSS. This score had the appropriate properties for quantitatively characterizing normal, first-trimester gestational sac shapes. As it can be obtained from as few as six slices, it should be useful in many clinical situations. This novel approach has the potential for providing quantitative shape information about a variety of biological shapes and how they change over time.

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Rapid recurrence of stage IIB non-gestational ovarian choriocarcinoma with minor yolk sac tumor: A rare case report and literature review.

Publications

Rapid recurrence of stage IIB non-gestational ovarian choriocarcinoma with minor yolk sac tumor: A rare case report and literature review.

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